Dental prophy cup



FIG. 1 is a perspective view as seen from the top and front of a dental prophy cup showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross sectional view of FIG. 3 taken along the lines 4--4;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view as seen from the top and front thereof, the broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dental prophy cup, as shown and described. 